package com.kele.service.Interceptor;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * 创作人 王箫凯
 * Date 2021/5/27
 * Time 16:00
 *
 * @author 王箫凯
 */
public class BasicInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //对未登录的请求进行拦截
        if (request.getSession().getAttribute("User") == null) {
            response.sendRedirect(request.getContextPath()+"/to/toLogin");
            return false ;
        }

        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
